EP 4099433 A1 20221207 - LITHIUM ION BATTERY
Title (en)
LITHIUM ION BATTERY
Title (de)
LITHIUM-IONEN-BATTERIE
Title (fr)
BATTERIE AU LITHIUM-ION
Publication
Application
Priority
- JP 2020014048 A 20200130
- JP 2021001964 W 20210121
Abstract (en)
Provided is a lithium ion battery with a positive electrode having a positive electrode mixture layer that contains a positive electrode active material, and a negative electrode having a negative electrode mixture layer that contains a negative electrode active material, the lithium ion battery being charged and discharged by the movement of lithium ions between the positive electrode and the negative electrode. The negative electrode mixture layer contains a negative electrode active material represented by general formula M<sub>3</sub>Me<sub>2</sub>X<sub>7</sub> (in the formula, M includes at least one of La and Ca; Me includes at least one of Mn, Ni, Fe, and Co; and X includes at least one of Ge, Si, Sn, and Al), and a binding agent that contains cyano groups, the ratio of the binding agent in the negative electrode mixture layer being 0.5-7.0 mass% (inclusive).
IPC 8 full level
H01M 4/134 (2010.01); H01M 4/38 (2006.01); H01M 4/62 (2006.01); H01M 10/052 (2010.01)
CPC (source: EP US)
H01M 4/134 (2013.01 - EP); H01M 4/38 (2013.01 - EP); H01M 4/387 (2013.01 - EP US); H01M 4/622 (2013.01 - EP US); H01M 10/0525 (2013.01 - EP US); H01M 2004/027 (2013.01 - EP US); Y02E 60/10 (2013.01 - EP)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
EP 4099433 A1 20221207; EP 4099433 A4 20240724; CN 115023824 A 20220906; JP WO2021153401 A1 20210805; US 2023141498 A1 20230511; WO 2021153401 A1 20210805
DOCDB simple family (application)
EP 21747475 A 20210121; CN 202180010732 A 20210121; JP 2021001964 W 20210121; JP 2021574685 A 20210121; US 202117794076 A 20210121